<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>剩余参数</title>
</head>
<body>
	<script type="text/javascript">
		// const sum = (...args) => {
		// 	let total = 0;
		// 	args.forEach(item => total += item);
		// 	return total;
		// };

		// console.log(sum(10, 20));
		// console.log(sum(10, 20, 30));
		

		let ary1 = ['张三' , '李四', '王五'];
		let [s1, ...s2] = ary1;
		console.log(s1)
		console.log(s2)

	</script>
</body>
</html>